[INFO] fetching crate lib_rapid 0.0.20... [INFO] testing lib_rapid-0.0.20 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate lib_rapid 0.0.20 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate lib_rapid 0.0.20 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lib_rapid 0.0.20 [INFO] finished tweaking crates.io crate lib_rapid 0.0.20 [INFO] tweaked toml for crates.io crate lib_rapid 0.0.20 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 633680007cfc947885866d0a41095aefc3845da5ab7a21320644f42615a489ff [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "633680007cfc947885866d0a41095aefc3845da5ab7a21320644f42615a489ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "633680007cfc947885866d0a41095aefc3845da5ab7a21320644f42615a489ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "633680007cfc947885866d0a41095aefc3845da5ab7a21320644f42615a489ff", kill_on_drop: false }` [INFO] [stdout] 633680007cfc947885866d0a41095aefc3845da5ab7a21320644f42615a489ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b74d5072cb8cd7682fc9a80060dcfd27f28ddb39c58e8647a27ad03ee93e512e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b74d5072cb8cd7682fc9a80060dcfd27f28ddb39c58e8647a27ad03ee93e512e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling lib_rapid v0.0.20 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::vec` [INFO] [stdout] --> src/unit_tests/tests.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::vec; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.29s [INFO] running `Command { std: "docker" "inspect" "b74d5072cb8cd7682fc9a80060dcfd27f28ddb39c58e8647a27ad03ee93e512e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b74d5072cb8cd7682fc9a80060dcfd27f28ddb39c58e8647a27ad03ee93e512e", kill_on_drop: false }` [INFO] [stdout] b74d5072cb8cd7682fc9a80060dcfd27f28ddb39c58e8647a27ad03ee93e512e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56057e7b01261793d60055243d22215b85b05877c87100ac1fa75430f03eaf78 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "56057e7b01261793d60055243d22215b85b05877c87100ac1fa75430f03eaf78", kill_on_drop: false }` [INFO] [stderr] Compiling lib_rapid v0.0.20 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::vec` [INFO] [stdout] --> src/unit_tests/tests.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::vec; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> src/unit_tests/tests.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let s1 = sets::Set::new_subset(&s, |x| x % 2 == 0); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.62s [INFO] running `Command { std: "docker" "inspect" "56057e7b01261793d60055243d22215b85b05877c87100ac1fa75430f03eaf78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56057e7b01261793d60055243d22215b85b05877c87100ac1fa75430f03eaf78", kill_on_drop: false }` [INFO] [stdout] 56057e7b01261793d60055243d22215b85b05877c87100ac1fa75430f03eaf78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ee8d7f564e6cbbdb8035d142bc61548d314bcad2b7d27dbf1f09b7299c7a4793 [INFO] running `Command { std: "docker" "start" "-a" "ee8d7f564e6cbbdb8035d142bc61548d314bcad2b7d27dbf1f09b7299c7a4793", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::vec` [INFO] [stderr] --> src/unit_tests/tests.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::vec; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s1` [INFO] [stderr] --> src/unit_tests/tests.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let s1 = sets::Set::new_subset(&s, |x| x % 2 == 0); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `lib_rapid` (lib) generated 1 warning [INFO] [stderr] warning: `lib_rapid` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lib_rapid-084c3ea065633636) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test unit_tests::tests::test_intersection ... ok [INFO] [stdout] test unit_tests::tests::test_new_from_parent ... ok [INFO] [stdout] test unit_tests::tests::test_map_to ... ok [INFO] [stdout] test unit_tests::tests::test_rec_printing ... ok [INFO] [stdout] test unit_tests::tests::test_union ... ok [INFO] [stdout] test unit_tests::tests::test_speed_dec_lshift ... ok [INFO] [stderr] Doc-tests lib_rapid [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.10s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/compsci/compression/huffman.rs - compsci::compression::huffman::read_from_file (line 256) ... FAILED [INFO] [stdout] test src/compsci/compression/huffman.rs - compsci::compression::huffman::huffman_encode (line 111) ... ok [INFO] [stdout] test src/compsci/compression/huffman.rs - compsci::compression::huffman::assign_codes (line 71) ... ok [INFO] [stdout] test src/compsci/compression/huffman.rs - compsci::compression::huffman::huffman_decode (line 163) ... ok [INFO] [stdout] test src/math/rapidmath.rs - math::rapidmath::MapToNumRange::map_to (line 47) ... ok [INFO] [stdout] test src/compsci/compression/huffman.rs - compsci::compression::huffman::write_to_file (line 223) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/compsci/compression/huffman.rs - compsci::compression::huffman::read_from_file (line 256) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/compsci/compression/huffman.rs:241:66 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c419b4728c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c419b4728c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c419b4728c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c419b4728c - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c419b6163c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55c419b44c15 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55c419b48890 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c419b48890 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c419b48890 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55c419b4843b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55c419b48f44 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55c419b48a20 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55c419b47744 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55c419b48989 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55c419b09db1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55c419b09e43 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55c419b2a1dd - core::result::Result::unwrap::hd59880f057f24dbe [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stdout] 17: 0x55c419b172e2 - lib_rapid::compsci::compression::huffman::write_to_file::hc1a8d350f6eb2a68 [INFO] [stdout] at /opt/rustwide/workdir/src/compsci/compression/huffman.rs:241:30 [INFO] [stdout] 18: 0x55c419b0ad46 - rust_out::main::_doctest_main_src_compsci_compression_huffman_rs_256_0::h6720c950744d1998 [INFO] [stdout] 19: 0x55c419b0abf6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55c419b0a7c3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x55c419b0a5d9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 22: 0x55c419b0a709 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 23: 0x55c419b46ad1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55c419b46ad1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55c419b46ad1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55c419b46ad1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55c419b46ad1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x55c419b46ad1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x55c419b46ad1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x55c419b46ad1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x55c419b46ad1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x55c419b0a6f1 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 33: 0x55c419b0ae33 - main [INFO] [stdout] 34: 0x7fd814c220b3 - __libc_start_main [INFO] [stdout] 35: 0x55c419b0a50e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/compsci/compression/huffman.rs - compsci::compression::huffman::write_to_file (line 223) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/compsci/compression/huffman.rs:241:66 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f983186bec - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55f983186bec - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f983186bec - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55f983186bec - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55f9831a0f6c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55f983184575 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55f9831881f0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55f9831881f0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55f9831881f0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55f983187d9b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x55f9831888a4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55f983188380 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55f9831870a4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55f9831882e9 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55f98314fdb1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55f98314fe43 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x55f98316b71d - core::result::Result::unwrap::hd59880f057f24dbe [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stdout] 17: 0x55f98315d292 - lib_rapid::compsci::compression::huffman::write_to_file::hc1a8d350f6eb2a68 [INFO] [stdout] at /opt/rustwide/workdir/src/compsci/compression/huffman.rs:241:30 [INFO] [stdout] 18: 0x55f983150d46 - rust_out::main::_doctest_main_src_compsci_compression_huffman_rs_223_0::haf5969537355fa7d [INFO] [stdout] 19: 0x55f983150bf6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55f9831507c3 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 21: 0x55f9831505d9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 22: 0x55f983150709 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 23: 0x55f983186431 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55f983186431 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55f983186431 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55f983186431 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55f983186431 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stdout] 28: 0x55f983186431 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 29: 0x55f983186431 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 30: 0x55f983186431 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 31: 0x55f983186431 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stdout] 32: 0x55f9831506f1 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 33: 0x55f983150de3 - main [INFO] [stdout] 34: 0x7fe054b590b3 - __libc_start_main [INFO] [stdout] 35: 0x55f98315050e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/compsci/compression/huffman.rs - compsci::compression::huffman::read_from_file (line 256) [INFO] [stdout] src/compsci/compression/huffman.rs - compsci::compression::huffman::write_to_file (line 223) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.25s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "ee8d7f564e6cbbdb8035d142bc61548d314bcad2b7d27dbf1f09b7299c7a4793", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee8d7f564e6cbbdb8035d142bc61548d314bcad2b7d27dbf1f09b7299c7a4793", kill_on_drop: false }` [INFO] [stdout] ee8d7f564e6cbbdb8035d142bc61548d314bcad2b7d27dbf1f09b7299c7a4793